RoboLink – React Native Robot Controller | Ahmed Apps

Overview

RoboLink is an Android app built with React Native CLI for my Mobile Application Development academic course. It turns your phone into a fully customizable robot controller — build your own control layout with joysticks, buttons, and sliders via a drag-and-drop editor, connect via Bluetooth or Wi-Fi UDP, and get started instantly with built-in Arduino code guides. Shipped live on Google Play Store (100+ downloads).

What it delivers

Live on Google Play Store — 100+ downloads
Built with React Native CLI (academic course project)
Dual connectivity: Bluetooth + Wi-Fi UDP
Full drag-and-drop controller editor with save/load
Built-in Arduino & ESP32 code guides for makers

Features

Custom Controller Canvas

Joystick (Move) + XABY gamepad buttons on one canvas
Speed slider with live value display
Custom action buttons (e.g. Lights) freely placed
Preset dropdown to switch between saved layouts

Drag-and-Drop Edit Mode

Toggle Edit mode to reposition or delete any widget
Add widgets: Direction, Action, Slider, or Joystick
Configure label, map name, value and size per widget
Save / Save As to persist multiple controller profiles

Dual Connectivity

Wi-Fi UDP — set IP, enable broadcast, configure transmission interval
Bluetooth — pair devices, enable BT transmission at 100 ms interval
Discrete or continuous transmission mode toggle
Live connection status feedback

Built-in Help & Code Guides

Interactive guide: Custom Joystick Help
Arduino UDP and ESP32 Bluetooth code templates
Basic Car starter preset with step-by-step instructions
Designed to get makers started with zero prior knowledge

Controller & Customization

Custom Virtual Gamepad — Custom Virtual GamepadLive controller with joystick, speed slider, and custom buttons ready for robot control

Edit & Rearrange Widgets — Edit & Rearrange WidgetsDrag-and-drop mode to customize and reposition all controls before saving your layout

Create Custom Buttons — Create Custom ButtonsAdd new widgets: Direction, Action, Slider, or Joystick with custom labels and map names

Connectivity

Wi-Fi UDP Settings — Wi-Fi UDP SettingsConfigure device IP, enable UDP broadcast, set transmission mode and interval

Bluetooth Transmission — Bluetooth TransmissionEnable Bluetooth, configure transmission interval, view paired devices with live status

Help & Guides

Built-in Code Guides — Built-in Code GuidesInteractive tutorials for Custom Joystick, Arduino UDP, ESP32 Bluetooth, and Basic Car presets

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